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The Best Ancient Aliens Episodes 

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Updated June 14, 2019 2.4k votes 1.1k voters 103.9k views 30 items

List Rules Vote for your favorite Ancient Aliens episodes, no matter how popular they are.

List of the best Ancient Aliens episodes, as voted on by other fans of the series. Ancient Aliens is a TV series about human-extraterrestrial contact, which premiered on the History Channel in 2009. You might also enjoy weird extraterrestrial phenomena in ancient history and mysterious ancient inventions science can't explain. With so many memorable episodes of the show, it's hard to trust just one person's opinion of what the top Ancient Aliens episodes of all time are. Fans of Ancient Aliens are extremely passionate about the show, and there is often debate over which episodes are better than others. That's why this list exists- so you can vote for your favorites and we can find out once and for all what everyone thinks the best episode is.

The list you're viewing has a variety of episodes in it, like "The Visitors" and "The Mission." What is the best Ancient Aliens episode of all time? Look below and find out.

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list ordered by
1
The Tesla Experiment is listed (or ranked) 1 on the list The Best Ancient Aliens Episodes
The Tesla Experiment
2
Chariots, Gods & Bey... is listed (or ranked) 2 on the list The Best Ancient Aliens Episodes
Chariots, Gods & Beyond Episode: 1, Season: Ancient Aliens - Season 0

Original Airing: Jul 30 2009

What if life on Earth began in outer space? Millions of people accept the theory that intelligent life forms visited Earth thousands of years ago and were worshiped as gods by primitive man. Are ...more
3
The NASA Connection is listed (or ranked) 3 on the list The Best Ancient Aliens Episodes
Episode: 5, Season: Ancient Aliens - Season 4

Original Airing: Mar 09 2012

NASA scientists, former astronauts and secret government files all point to the conclusion that there has been contact with extraterrestrial life in the past. Researchers examine this and other ...more
4
Unexplained Structures ... is listed (or ranked) 4 on the list The Best Ancient Aliens Episodes
Unexplained Structures Episode: 8, Season: Ancient Aliens - Season 2

Original Airing: Dec 16 2010

If ancient aliens visited Earth, can evidence of their existence be found in the mysterious structures that still stand throughout the world?
5
The Return is listed (or ranked) 5 on the list The Best Ancient Aliens Episodes
Episode: 5, Season: Ancient Aliens - Season 1

Original Airing: May 25 2010

There is evidence that suggests we experienced 20th century alien contact. In 1942, the Battle of Los Angeles involved the US military and Air Defense allegedly fighting a UFO. WWII Allied Air ...more
6
The Evidence is listed (or ranked) 6 on the list The Best Ancient Aliens Episodes
The Evidence Episode: 1, Season: Ancient Aliens - Season 1

Original Airing: Apr 20 2010

If ancient aliens visited Earth, what was their legacy, and did they leave behind clues that exist in plain sight such as sophisticated aircraft, complex electrical grids, and intricate ...more
7
Destination Orion is listed (or ranked) 7 on the list The Best Ancient Aliens Episodes
Destination Orion Episode: 4, Season: Ancient Aliens - Season 5

Original Airing: Jan 11 2013

Why were ancient civilizations around the world so focused on the Orion constellation? While scientists site many earthly connections, researchers suggest this point in the night sky may have ...more
8
The Mystery of Puma Punk... is listed (or ranked) 8 on the list The Best Ancient Aliens Episodes
The Mystery of Puma Punku Episode: 6, Season: Ancient Aliens - Season 4

Original Airing: Mar 16 2012

At nearly 14,000 years old, the ruins of Puma Punku are the oldest and most baffling on the face of the Earth. No one knows who designed and built this complex of sophisticated inter-locking ...more
9
Aliens And The Third Rei... is listed (or ranked) 9 on the list The Best Ancient Aliens Episodes
Aliens And The Third Reich Episode: 5, Season: Ancient Aliens - Season 2

Original Airing: Nov 25 2010

If ancient aliens visited Earth in the remote past, could they have given us advanced technology, past down through human history? And could this technology have helped the Third Reich build ...more
10
Aliens and Ancient Engin... is listed (or ranked) 10 on the list The Best Ancient Aliens Episodes
Aliens and Ancient Engineers Episode: 6, Season: Ancient Aliens - Season 3

Original Airing: Sep 01 2011

Might the tools and technology of ancient builders have come from distant galaxies? Evidence suggests that an ancient mountaintop fortress in Peru was constructed with laser-like tools... ...more
11
Angels and Aliens is listed (or ranked) 11 on the list The Best Ancient Aliens Episodes
Angels and Aliens Episode: 7, Season: Ancient Aliens - Season 2

Original Airing: Dec 09 2010

Biblical texts and ancient lore frequently describe winged creatures carrying messages from the heavens. But are angels merely the product of mankind's imagination - or do they really exist? If ...more
12
The Mayan Conspiracy is listed (or ranked) 12 on the list The Best Ancient Aliens Episodes
The Mayan Conspiracy Episode: 1, Season: Ancient Aliens - Season 4

Original Airing: Feb 17 2012

The Mayan civilization dominated Central America for nearly 2000 years, but by the 9th century A.D., the great Mayan cities were abandoned, and the Mayan people vanished. What could have ...more
13
Alien Power Plants is listed (or ranked) 13 on the list The Best Ancient Aliens Episodes
Alien Power Plants Episode: 3, Season: Ancient Aliens - Season 5

Original Airing: Jan 04 2013

Egyptian hieroglyphs depict the use of light bulbs in tombs and secret chambers. And batteries may have been discovered among artifacts from Mesopotamia. Did the Ancients understand electricity, ...more
14
The Visitors is listed (or ranked) 14 on the list The Best Ancient Aliens Episodes
The Visitors Episode: 2, Season: Ancient Aliens - Season 1

Original Airing: Apr 27 2010

If ancient aliens visited Earth, who were they, and where did they come from? Possible historic evidence and beliefs are examined around the world. The Dogon people possess knowledge of a galaxy ...more
15
Aliens and Lost Worlds ... is listed (or ranked) 15 on the list The Best Ancient Aliens Episodes
Aliens and Lost Worlds Episode: 8, Season: Ancient Aliens - Season 3

Original Airing: Sep 15 2011

Mysterious legends and crumbling ruins are all that is left of our planet's lost worlds. But could there be proof of ancient alien visitors hidden among the artifacts of civilizations that have ...more
16
Aliens, Gods and Heroes ... is listed (or ranked) 16 on the list The Best Ancient Aliens Episodes
Aliens, Gods and Heroes Episode: 15, Season: Ancient Aliens - Season 3

Original Airing: Nov 16 2011

Superhuman strength... Supernatural powers... And the awesome ability to fly. Throughout history, mankind has told incredible tales of gods with extraordinary powers. But are these accounts ...more
17
Aliens in America is listed (or ranked) 17 on the list The Best Ancient Aliens Episodes
Aliens in America Episode: 2, Season: Ancient Aliens - Season 7

Original Airing: Jan 31 2014

Strange rock carvings from 8,000 B.C. Unexplained sightings in the new world. And a frightening anomaly plaguing the American West. Is there more to America's past than is found in our history ...more
18
Aliens and Dinosaurs is listed (or ranked) 18 on the list The Best Ancient Aliens Episodes
Aliens and Dinosaurs Episode: 10, Season: Ancient Aliens - Season 4

Original Airing: May 04 2012

Angkor Wat, Cambodia, is the world’s largest ancient religious temple. Within its megalithic ruins, researches have discovered a depiction of a species of dinosaur – a stegosaurus. But how could ...more
19
Alien Contacts is listed (or ranked) 19 on the list The Best Ancient Aliens Episodes
Alien Contacts Episode: 10, Season: Ancient Aliens - Season 2

Original Airing: Dec 30 2010

If ancient aliens visited Earth, were they responsible for catastrophes, wars and other deadly disasters to control the fate of the human race? Did aliens leave messengers for us to find years ...more
20
Aliens and Evil Places ... is listed (or ranked) 20 on the list The Best Ancient Aliens Episodes
Aliens and Evil Places Episode: 10, Season: Ancient Aliens - Season 3

Original Airing: Sep 28 2011

For thousands of years, there have been places around the world considered dangerous to humans. Might these locations hold the key to an otherworldly connection? At Australia's Black Mountains, ...more
21
Aliens and the Red Plane... is listed (or ranked) 21 on the list The Best Ancient Aliens Episodes
Aliens and the Red Planet Episode: 16, Season: Ancient Aliens - Season 6

Original Airing: Feb 21 2014

Throughout human history, the planet Mars has captured our imagination. Ancient Egyptian astronomers were the first to record the red planet on a chart of the cosmos known as the Senenmut star ...more
22
The Star Children is listed (or ranked) 22 on the list The Best Ancient Aliens Episodes
The Star Children Episode: 3, Season: Ancient Aliens - Season 7

Original Airing: Feb 07 2014

On every continent, there are stories of children who "stand out" for their strange abilities and advanced knowledge. They are said to have knowledge of things they shouldn't or ...more
23
Aliens and Mysterious Ri... is listed (or ranked) 23 on the list The Best Ancient Aliens Episodes
Aliens and Mysterious Rituals Episode: 5, Season: Ancient Aliens - Season 3

Original Airing: Aug 25 2011

Throughout the world, ancient rites and rituals are believed to connect humans to another dimension. But just who--or what--are we communicating with? Could today's rituals, such as festivals, ...more
24
Aliens and Deadly Weapon... is listed (or ranked) 24 on the list The Best Ancient Aliens Episodes
Aliens and Deadly Weapons Episode: 9, Season: Ancient Aliens - Season 3

Original Airing: Sep 22 2011

Iron swords forged in blazing hot fires... Gunpowder with the power to tear apart human flesh... And rockets capable of destroying entire cities... Throughout history, advances in technology ...more
25
Aliens and Forbidden Isl... is listed (or ranked) 25 on the list The Best Ancient Aliens Episodes
Episode: 9, Season: Ancient Aliens - Season 6

Original Airing: Nov 29 2013

Legends of lost and mysterious islands, advanced civilizations and Eden-like paradises have been told by sailors throughout human history. Is it possible these stories are more than just the ...more